What powers 4sun.cz?
Last seen Jun 2026 · 18 technologies across 14 categories
Analytics
Google Analytics
since Jul 2020
Authentication
Facebook Login
since Sep 2021
CDN
Cloudflare
since Nov 2023
Ecommerce
Shoptet
since Jul 2020
JavaScript libraries
Live chat
Zendesk Chat
since Jul 2020
Load balancers
Amazon ALB
since Sep 2021
Miscellaneous
HTTP/3
since May 2026
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Sep 2021
Performance
Priority Hints
since Jul 2025
Programming languages
PHP
since Jul 2020
Security
Cloudflare Bot Management
since Nov 2023
UI frameworks
ZURB Foundation
since Jul 2020
Web servers
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.04 / 10 · ranked #11,969,331 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.8 MB · 33 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection